Fan anomaly. This occurs if the fan has a
mechanical or electrical fault. To eliminate the
"fan anomaly" the Reset button (3) must be
pressed. Call an authorised technician if the
anomaly persists (e.g. Immergas After-sales
Service).
Parasite flame block.This occurs in case of a
leak on the detection circuit or anomaly in the
flame control unit. It is possible to reset the boiler
to allow a new attempt at ignition. If the boiler
does not start contact a qualified technician
(e.g. Immergas After-Sales Technical Assistance
Service).
Push button control panel anomaly. This occurs
when the circuit board detects an anomaly on the
push button control panel. If normal conditions
are restored the boiler restarts without having
to be reset. If this anomaly persists, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Service).
Block due to flue gas temperature gradient
intervention. If the board detects a rapid
increase of flue gas temperature probably due
to a blocked pump or lack of water in the heat
exchanger, the boiler blocks due to the flue gas
temperature gradient intervention. To eliminate
it, the Reset button (3) must be pressed. If
this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Insufficient circulation. This occurs if there
is overheating in the boiler due to insufficient
water circulating in the primary circuit; the
causes can be:
- low system circulation; check that no shut-off
devices are closed on the heating circuit and
that the system is free of air (deaerated);
- circulating pump blocked; free the circulating
pump.
If this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Flue probe anomaly. If the board detects an
anomaly on the flue probe, the boiler will not
start; contact a qualified technician for assistance
(e.g. Immergas After-Sales Technical Assistance
Service).
Id
Parameter
d1
Displays the flame signal (uA x 10 approximate)
d2
Displays the primary exchanger output instant heating flow temperature
d3
Displays the instant output temperature from the DHW exchanger
d4
Displays the values set for central heating set
d5
Displays the values set for DHW set
Displays the external temperature (if external probe present)
d6
If the temperature is below zero, the value is displayed flashing.
d7
Display the temperature of the inlet DHW (with DHW inlet probe present)
d8
Not available
Displays the list of the last five anomalies.
d9
(to scroll the list, turn the CH temperature selector (6))
Loss of Remote Control communication.
This occurs 1 minute after communication loss
between the boiler and the remote control).
To reset the error code, remove and re-apply
voltage to the boiler. If this phenomenon occurs
frequently, contact a qualified technician for
assistance (e.g. Immergas After-Sales Technical
Assistance Service).
IMG Bus communication loss. If due to
an anomaly on the boiler control unit, the
communication is lost between the control
units on the zones control unit (optional) or
on the IMG Bus, the boiler does not satisfy
the room central heating requests. A qualified
technician must be called (e.g. Immergas After-
Sales Service).
Low power supply voltage This occurs when
the power supply voltage is lower than the
allowed limits for the correct functioning of
the boiler. If normal conditions are restored,
the boiler re-starts without having to be reset.
If this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Loss of flame signal. This occurs when the
boiler is ignited correctly and the burner flame
switches off unexpectedly; a new attempt at
ignition is performed and if normal conditions
are restored, the boiler does not have to be
reset (this anomaly can only be checked in the
list of errors P19 present in the "M1" menu). If
this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Block due to loss of continuous flame signal.
This occurs if the "Flame signal loss" error occurs
6 times consecutively in 8.5 minutes (38)". To
eliminate the block, the Reset button (3) must be
pressed. If this phenomenon occurs frequently,
contact a qualified technician for assistance
(e.g. Immergas After-Sales Technical Assistance
Service).
Description
17 - IE
Block for maximum time, gas valve opening.
This occurs if the gas valve remains open for
a time longer than that envisioned for normal
functioning, without the boiler switching on.
To eliminate the block, the Reset button (5)
must be pressed. If this phenomenon occurs
frequently, contact a qualified technician for
assistance (e.g. Immergas After-Sales Technical
Assistance Service).
L o w t e m p e r atu r e s a fe t y t h e r m o s t at
intervention (optional). During normal
functioning, if an anomaly causes excessive
overheating of the flow temperature in low
temperature conditions, the boiler blocks. In this
case, after suitable cooling, it is possible to reset
the thermostat (see relative instructions sheet).
If this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Burner power limitation. If the heat exchanger
is blocked, the boiler reduces the power supplied
so as not to damage it. A qualified technician
must be called (e.g. Immergas After-Sales
Technical Assistance Service).
Signalling and diagnostics - Display of the
CAR
V2
Remote Control (Optional). During
normal boiler functioning the CAR
control display shows the room temperature
value; in the case of malfunctioning or anomaly,
the display of the temperature is replaced by the
relative error code present in the previous table.
2.6 INFORMATION MENU.
By pressing the "Info" button (4), the "Information
menu" is activated, which allows to display some
boiler functioning parameters.
Press the "Info" button (4) to scroll the various
parameters.
To exit the menu, press the "Info" button (4) up
to the end of the list, or by pressing the "Reset"
button (3) or by waiting for 15 minutes.
With the menu active, the indicator (14) will
alternately show the indication of the parameter
via the letter "d" plus the number of the
parameter that is being displayed and the value
of the parameter itself.
V2
remote
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